get submenu

hello in my project i m using menucontrol that is display using wcf services. i get to display main menu but i don't know how to get submenu


my code is below.



                for (int i = 0; i < menus.Length; i++)
                {
                   

                    if (menus[i].Parentid == null)
                    {
                        item = new MenuItem(m ...